Eastern Project red and blue color scheme

Quick answer：

The red and blue color scheme in the Eastern Project series refers to the distinctive color scheme used in the visual design of the series. This color scheme is characterized by its use of vivid red and blue tones in various contexts, including character designs, backgrounds, and UI elements. The choice of these colors is often symbolic, representing elements such as fire and water, or yin and yang, and is a key aspect of the series' aesthetic.